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Finding the Fourth Proportional to 339,180.21, 508,775.18 and 161,705.97

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Solution

The fourth proportional to 339,180.21, 508,775.18 and 161,705.97 is: 242,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,180.21 : 508,775.18 = 161,705.97 : x
  2. Step 2: Convert to fraction form
    339,180.21/508,775.18 = 161,705.97/x
  3. Step 3: Cross multiply
    339,180.21x = 508,775.18 × 161,705.97
  4. Step 4: Simplify right side
    339,180.21x = 82,271,983,185.29
  5. Step 5: Solve for x
    x = 82,271,983,185.29/339,180.21
  6. Step 6: Final answer
    x = 242,561.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.